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Finding the Fourth Proportional to 227,207.54, 313,547.88 and 130,385.54

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Solution

The fourth proportional to 227,207.54, 313,547.88 and 130,385.54 is: 179,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,207.54 : 313,547.88 = 130,385.54 : x
  2. Step 2: Convert to fraction form
    227,207.54/313,547.88 = 130,385.54/x
  3. Step 3: Cross multiply
    227,207.54x = 313,547.88 × 130,385.54
  4. Step 4: Simplify right side
    227,207.54x = 40,882,109,649.66
  5. Step 5: Solve for x
    x = 40,882,109,649.66/227,207.54
  6. Step 6: Final answer
    x = 179,932.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.